31224033044 has 12 divisors (see below), whose sum is σ = 54854674644. Its totient is φ = 15551268864.

The previous prime is 31224033037. The next prime is 31224033053. The reversal of 31224033044 is 44033042213.

It can be written as a sum of positive squares in 2 ways, for example, as 20295421444 + 10928611600 = 142462^2 + 104540^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15185759 + ... + 15187814.

It is an arithmetic number, because the mean of its divisors is an integer number (4571222887).

Almost surely, 2^31224033044 is an apocalyptic number.

It is an amenable number.

31224033044 is a deficient number, since it is larger than the sum of its proper divisors (23630641600).

31224033044 is a wasteful number, since it uses less digits than its factorization.

31224033044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30373834 (or 30373832 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31224033044 its reverse (44033042213), we get a palindrome (75257075257).

The spelling of 31224033044 in words is "thirty-one billion, two hundred twenty-four million, thirty-three thousand, forty-four".